Biodiversity Heritage Library
By "Preston, Howard W. 1859-"
Illustrated key to the wild and commonly cultivated trees of the northeastern United States and adjacent Canada; based primarily upon leaf characters, by J. Franklin Collins and Howard W. Preston.
By: Collins, J. Franklin - Preston, Howard W.
Publication info: New York :H. Holt and company,1912.
Contributed by: University of California Libraries (archive.org)